Ape-free laundry emulsifier
a laundry emulsifier and ape-free technology, applied in the field of detergents, can solve the problems of contaminating water, vegetation and marine life, disfavored apes, and not readily biodegradable npe, and achieve the effect of high conten
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example 1
[0185]A tergotometer test procedure was employed to measure detergency of test compositions according to the invention. A tergotometer along with 500 mL pots and water bath were employed. First, unwashed swatches from the lot numbers to be used in the test are read on the Konica Minolta Spectrophotometer model CM-3600d to establish the average initial (before washing) L value. A sampling of 25 of each swatch type is used. The desired wash temperature is programmed into the Tergotometer and its water bath is allowed to heat up to that temperature. 500 mL of the desired water type is added to each Tergotometer pot and allowed to equilibrate to the desired temperature.
[0186]Test swatches (clean) were dipped into the solution of interest (e.g. chili oil, etc.). The soiled swatches are dried overnight before the detergency experiment. The following standard, commercially available (EMPA) soiled swatches were used for baseline testing in the Examples, as shown in Table 2.
TABLE 2SampleSoil...
example 2
[0191]The beneficial results obtained in Example 1 were further analyzed in the presence of a builder product to increase the pH conditions of the laundry application. The methods of Example 1 were employed along with the use of an alkalinity-containing builder composition (commercially-available from Ecolab, Inc.). The building provides to the cleaning system a source of sodium hydroxide and a polyacrylate (to control build-up caused by the hard water employed). The pH of the cleaning systems was increased from about neutral to a pH between about 11.3 to about 11.5 with the addition of the builder component, with all other test conditions remaining constant.
[0192]As shown in FIG. 2 both test compositions F43 and F64 provided improved soil removal (shown as % L*diff) over both control formulations, including the NPE-containing and NPE-free compositions. The inclusion of a building to increase the pH conditions of the laundry cycle provided increased soil removal (shown as % L*diff) ...
example 3
[0194]Additional testing of the compositions according to the invention were conducted at additional higher temperature ranges. The methods of Example 1 were further conducted using the laundry emulsifiers (F43, F64) in comparison to controls (NPE-containing, NPE-free) at temperatures of 30° C., 40° C., and 50° C.
[0195]FIG. 4 shows the results of the test formulations on EMPA 104 swatches at varying temperatures. FIG. 5 shows the results of the test formulations on EMPA 106 swatches at varying temperatures. FIG. 6 shows the results of the test formulations on EMPA 101 swatches at varying temperatures. The test compositions outperform the controls at all temperatures analyzed.
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